Page 480 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
SPECIFICATIONS
I Power output at 6000 rpm I 74 kW (1 00 PS) I
Description
Displacement
Compression ratio 1595
cc
11:l
Torque at 4000 rpm
Maximum permissible engine speed continuous
I Idle speed I 750 rpm I
1
146 Nm
6450 rpm
I Maximum permissible engine speed intermittent
I Maximum oil consumption I 0.5U1 OOOkm I
6800 rpm
Oil
Dressure
I Description I bar I
I Oil pressure (minimum, oil temperature 80°C) at 800 rpm I 1 .O I
I Oil pressure (minimum, oil temperature 80°C) at 2000 rpm I 2.5 I
I Pressure relief valve opening pressure I 4 1
Engine Oil Capacity - 1.25U1.4L
I Service fill including oil filter (EFLI 0) I 3.80 I
Description
Initial fill including oil filter
Service fill including oil filter
(EFL500)
I Service fill excluding oil filter I 3.50 I
Liters
4.25
3.75
I Initial fill including oil filter (EFLGOO) I 4.50 I
Engine Oil Capacity - 1.6L
I Initial fill including oil filter (EFLI 0) I 4.30 I
Description
I Service fill including oil filter (EFLGOO) I 4.25 I
Liters
I Service fill including oil filter (EFLI 0) I 4.10 I
I Service fill excluding oil filter I 3.75 I
Valve Clearance - 1.25U1.4L
Valve Clearance - 1.6L
Description
Valve clearance (engine cold), intake
Valve clearance (engine cold), exhaust
Description mm
I!{
mm
0.17 - 0.23
0.27
- 0.33
I Valve clearance (engine cold), intake I 0.17 - 0.23 I
I Valve clearance (engine cold), exhaust I 0.31- 0.37 I
2006.0 Fiesta 1212006 GI 54208en
procarmanuals.com
Page 483 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
Duratec-1 6V (Sigma)Il.GL Duratec-1 6V (Sigma)
SPECIFICATIONS
2006.0 Fiesta 1212006 GI 54208en
Ib-in
-
-
-
-
-
-
-
-
-
80
-
80
-
35
-
80
-
-
-
-
-
-
80
80
-
-
-
53
-
80
80
Ib-ft
41
35
66
35 35 18
30
18
35
-
20
-
15
-
21
-
11
-
-
13
-
35
-
-
11
15
15
-
-
-
-
Description
Engine front mount bracket to cylinder block
retaining bolts
Engine front mount retaining nuts and bolts
Engine rear mount center retaining nut
Engine rear mount outer retaining nuts
Engine support insulator retaining bolts Power steering line support bracket retaining bolts
Power steering line to power steering pump
Air conditioning
(AIC) compressor to cylinder block
retaining bolts
Generator to cylinder block top rear and lower
retaining bolts
Water pump retaining bolts
Water pump pulley retaining bolts
Oil pump to cylinder block retaining bolts
Oil pan to cylinder block retaining bolts
Oil level indicator tube bracket retaining bolt
Engine oil drain plug
Oil pump pickup pipe to cylinder block retaining
bolts
Oil pressure switch
Cylinder head bolts
Valve cover retaining bolts
Intake manifold to cylinder head retaining bolts
Exhaust manifold to cylinder head
Exhaust manifold to cylinder block
Camshaft position (CMP) sensor
Timing belt rear cover retaining bolts
Spark plugs Engine rear lifting eye retaining bolts
Coolant distribution housing retaining bolts
Ignition coil to coolant distribution housing
Camshaft bearing cap retaining bolts
Timing belt upper cover to cylinder block retaining
bolts
Timing belt lower cover to cylinder block retaining
bolts
Nm
55
48 90
48
48 25
40 25
47
9
27 9
20 4
28 9
15
a)
a)
18
a)
47 9
9
15
20
20
6
a)
9
9
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Page 484 of 1226

Engine - I .25L Duratec-1 6V (Sigma)llI4L
Duratec-1 6V (Sigma)ll .6L Duratec-I 6V (Sigma)
SPECIFICATIONS
1 Description I Nm I Ib-ft I Ib-in I
I Camshaft pulley retaining bolt I 60 I 44 I - I
Timing belt tensioner two bolts fixing
Timing belt tensioner central bolt fixing
Crankshaft position (CKP) sensor bracket to
cylinder block retaining bolts
I Crankshaft rear oil seal carrier retaining bolts I 9 1 - I 80 I
20
25
I Cylinder block blanking plug I 20 I 15 1 - I
I Crankshaft pulley retaining bolt I a) I - I - I
15
18
I Engine coolant temperature (ECT) sensor I 18 I 13 I - I
-
-
I Exhaust manifold studs I 10 I - I 89 I
Positive crankcase ventilation (PCV) cover retaining
1 bolts Fuel
rail to intake manifold
Knock sensor (KS) retaining bolt
I Thermostat housing retaining bolts I 9 I - 1 80 I
I Flywheel to crankshaft retaining bolts I a) I - I - I
15
20
I Selector lever cable bracket to transaxle I 20 I 15 I I
11
15
Transaxle retaining bolts
Torque converter retaining nuts
I Intermediate shaft center bearing cap retaining nuts 1 25 I 18 I - I
-
-
I Ground cable to cylinder head retaining bolt I 18 I 13 I - I
47
27
Suspension strut and spring assembly top mount
retaining nuts
I a) Refer to procedure in this section.
35
20
2006.0 Fiesta 1212006 GI 54208en
-
procarmanuals.com
Page 490 of 1226
303-01 A-I 4 Engine
- 1.25L Duratec-1 6V (Sigma)llm4L
Duratec-1 6V (Sigma)/l .6L
Duratec-1 6V (Sigma) 303-01 A-I 4
IN-VEHICLE REPAIR
Crankshaft Front Seal(21 467 0)
('-
Special Tool(~) 3.
Using the special tool, remove the crankshaft
Materials
Removal
front oil seal.
Installation
21171
1. Coat the crankshaft front oil seal lip with
Engine Oil I WSS-M2C912-A1
1. Remove the timing belt.
Remover, Crankshaft Oil Seal
303-293 (2 1 -1 43)
Installer, Crankshaft Oil Seal
303-395 (21 -1 71
)
Name S~ecification clean engine oil.
2. Using the special tool, install the crankshaft
For
additional information, refer to: Timing
Belt (303-01 Engine - 1.25L Duratec-1 6V
(Sigma)ll.4L Duratec-1 6V (Sigma)/l .6L
Duratec-1
6V (Sigma), ln-vehicle Repair). front
oil seal.
2.
Remove the crankshaft timing pulley.
3. Install the crankshaft timing pulley.
2006.0 Fiesta lu2006 G21046en
procarmanuals.com
Page 492 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
303-OIA-I 6 Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma) 303-OIA-I 6
IN-VEHICLE REPAIR
Special Tool(s1
Compressor, Valve Spring
303-36 1 (2 1
-1 55)
Adaptor for 303-361
303-36 1 -04 (2 1 -1 55-04)
I I Adaptor for 303-361 - I
4. Remove the valve springs.
Materials Name Specification
I Engine Oil I WSS-M2C912A1 I
*' ~CAUTION:K~~~ the valve tappets in order\-
for reassembly.
Remove the valve tappets.
3. N0TE:lnset-t wooden wedges in the
combustion chamber recesses in the
cylinder head so that the valves are held in
place for removal.
Install the special tools.
I I Installer, Valve Stem Collets I
I I Pliers, Valve Stem Oil Seals I
Removal
1. Remove the cylinder head.
For additional information, refer to Cylinder
head in this section.
Compress the valve springs.
Remove the valve collets.
Remove the valve spring retainers and the
valve springs.
5. Using the special tool, remove the valve
seals.
2006.0 Fiesta 1212006 G21048en
procarmanuals.com
Page 493 of 1226

Engine - 1.25L Duratec-1 6V (Sigma)ll.4L
-01A-17 Duratec-1 6V (Sigma)/l.GL Duratec-1 6V (Sigma) 303-OIA-1 7
IN-VEHICLE REPAIR
Discard the valve seals.
6. Remove the valves.
Installation
Using the special tool, install the valve seals.
5. Using the special tool, install the valve
springs.
lnstall the valve spring retainers and the
1. Coat the valve stem with clean engine oil. valve springs.
Compress the valve springs.
2. Install the valves. Install the valve collets.
3. lnstall a valve stem mounting sleeve over
the valve
collet groove (valve shown
removed for clarity).
4m ~AUTION:T~~ valve seal for the intake
valve is green. The valve seal for the exhaust
valve is brown.
N0TE:lnset-t wooden wedges in the combustion
chamber recesses in the cylinder head so that the
valves are held in place for installation.
N0TE:lnstall new valves seals.
N0TE:Coat the valve seal lip and the valve stem
with clean engine oil.
6. Remove the special tools.
7m &AUTION:T~~ valve tappets must be
installed in their original locations.
lnstall the valve tappets.
2006.0 Fiesta 1212006 G21048en
procarmanuals.com
Page 496 of 1226
Engine - 1.25L Duratec-1 6V (Sigma)llm4L
303-01 A120 Duratec-1 6V (Sigma)ll .6L Duratec-1 6V (Sigma)
303-01 Am20
IN-VEHICLE REPAIR
9. Disconnect the brake booster vacuum line
from the intake manifold. 12. Detach the oil level indicator tube from the
intake manifold.
/'-
10. Disconnect the evaporate emission (EVAP) 13. Disconnect the temperature and manifold
hose from the EVAP valve. absolute pressure (T-MAP) sensor electrical
connector.
11. Disconnect the knock sensor (KS) electrical
connector.
14. Disconnect the throttle plate control motor
(DC-ISC) electrical connector.
2006.0 Fiesta 1212006 GI 83728en
procarmanuals.com
Page 499 of 1226
Engine - 1.25L Dura
303-01 A-23 Duratec-1
6V (Sigma)ll .(
:ec-I 6V (Sigma)llm4L
L
Duratec-1 6V (Sigma)
303-01 Am23
IN-VEHICLE REPAIR
Discard the gaskets.
Installation
3. Attach the wiring harness and the coolant
hose to the intake manifold.
4. N0TE:lnstall new injector O-ring seals.
1. N0TE:lnstall new intake manifold gaskets. N0TE:Coat the 0-rina seals with clean enaine oil.
Install the intake manifold. V "
Install the fuel supply manifold.
2. Attach the wiring harness to the intake
manifold. 5. Connect the fuel return line quick release
coupling. For additional information, refer to
Section
31 0-00 [Fuel System - General
Information].
2006.0 Fiesta 1212006 GI 83728en
procarmanuals.com